/*
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public as published by
 * the Free Software Foundation, either version 3 of the License, or any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.javaproxydiscoverer;

import com.javaproxydiscoverer.workers.UnixWorker;
import com.javaproxydiscoverer.workers.Worker;

import java.util.ArrayList;
import java.util.List;

/**
 * The library entry point.
 */
public class ProxyDiscoverer {
    private static final List<Worker> workers = new ArrayList<Worker>();

    static {
        // add implemented workers.
        // order counts, more generic workers should go first.
        workers.add(new UnixWorker());
    }

    /**
     * @return the currently configured system proxy.
     */
    public static ProxyConfiguration getSystemProxy() {
        for (Worker worker : workers) {
            if (worker.applies()) {
                ProxyConfiguration proxy = worker.discoverProxy();

                if (proxy != null)
                    return proxy;
            }
        }

        return null;
    }
}
